The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 10, 2008
Filed:
Dec. 08, 2003
Olof Melander, Sundsvall, SE;
Peter Danielsson, Fagervik, SE;
Tomas Wikström, Sundsvall, SE;
Metso Paper, Inc., , FI;
Abstract
The present invention relates to an apparatus for mixing of a chemical medium in gaseous or liquid state with a pulp suspension. The apparatus comprises a housing having a wall () that defines a mixing chamber (), a first feeder () for feeding the pulp suspension to the mixing chamber, a rotor shaft (), that extends in the mixing chamber, a drive device for rotation of the rotor shaft, a rotor body (), that is connected to the rotor shaft and arranged to supply kinetic energy to the pulp suspension flow, during rotation of the rotor shaft by the rotation of the drive device, such that turbulence is produced in a turbulent flow zone () in the mixing chamber, a second feeder () for feeding of the chemical medium to the mixing chamber, and an outlet for discharging the mixture of chemical medium and pulp suspension from the mixing chamber.